ECC and ACH
Write about the Electronic Cheques Clearing System write it in a language that is directed to the readers even readers that do not have a financial background that they would be able to understand explain it in a nice way also mention the benefits for banks using this system and for customers using this system.
Automated Clearing House System please do the same thing explain what it is to make readers understand even if they do not have a financial background you can use investopdedia.com but please do not copy anything